<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage">
            <i v-if="!collapse" class="el-icon-s-fold"></i>
            <i v-else class="el-icon-s-unfold"></i>
        </div>
        <div class="logo">江苏电子信息职业学院目标任务管理系统</div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen ? `取消全屏` : `全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 用户头像 -->
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{ username }}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
                        <el-dropdown-item divided command="changePwd">修改密码</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
            </div>
        </div>
        <el-dialog title="修改密码" :visible.sync="dialogVisible" width="60%" :before-close="handleClose">
            <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
                <el-form-item label="旧密码" prop="oldPass">
                    <el-input type="password" v-model="ruleForm.oldPass" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="新密码" prop="pass">
                    <el-input type="password" v-model="ruleForm.pass" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="确认新密码" prop="checkPass">
                    <el-input type="password" v-model="ruleForm.checkPass" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
                    <el-button @click="resetForm('ruleForm')">重置</el-button>
                </el-form-item>
            </el-form>
        </el-dialog>
    </div>
</template>
<script>
import dashboardApi from '../../api/dashboard';
import bus from '../common/bus';
export default {
    data() {
        var validatePass = (rule, value, callback) => {
            if (value === '') {
                callback(new Error('请输入密码'));
            } else {
                if (this.ruleForm.checkPass !== '') {
                    this.$refs.ruleForm.validateField('checkPass');
                }
                callback();
            }
        };
        var validatePass2 = (rule, value, callback) => {
            if (value === '') {
                callback(new Error('请再次输入密码'));
            } else if (value !== this.ruleForm.pass) {
                callback(new Error('两次输入密码不一致!'));
            } else {
                callback();
            }
        };
        return {
            collapse: false,
            fullscreen: false,
            name: '欢迎您，用户',
            message: 2,
            dialogVisible: false,
            ruleForm: {
                oldPass: '',
                pass: '',
                checkPass: ''
            },
            rules: {
                oldPass: [{ required: true, message: '请输入原密码', trigger: 'blur' }],
                pass: [
                    { validator: validatePass, trigger: 'blur', required: true },
                    {
                        min: 6,
                        max: 30,
                        message: '长度在 6 到 20 个字符'
                    },
                    {
                        pattern: /^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,20}$/,
                        message: '密码必须是由6-20位字母+数字组合'
                    }
                ],
                checkPass: [{ validator: validatePass2, trigger: 'blur', required: true }]
            }
        };
    },
    computed: {
        username() {
            let username = this.$store.state.user.name;
            return username ? username : this.name;
        }
    },
    methods: {
        async chagePwd() {
            console.log(this.$store.state.user.username);
            await dashboardApi.changePwd(this.$store.state.user.username, this.ruleForm.oldPass, this.ruleForm.checkPass).then((res) => {
                console.log('res', res);
                if (res.code == 200) {
                    this.$confirm('修改密码成功！是否重新登陆!', '提示', {
                        confirmButtonText: '确定',
                        type: 'success'
                    }).then(() => {
                        this.$store.dispatch('LogOut').then(() => {
                            location.reload(); // 为了重新实例化vue-router对象 避免bug
                        });
                    });
                } else {
                    this.$notify({
                        title: '提示',
                        message: '原密码不正确!',
                        duration: 0
                    });
                }
            });
        },
        submitForm(formName) {
            this.$refs[formName].validate((valid) => {
                if (valid) {
                    this.dialogVisible = false;
                    this.chagePwd();
                } else {
                    this.$notify({
                        title: '提示',
                        message: '输入不符合要求，请重试!',
                        duration: 0
                    });
                    this.dialogVisible = false;
                    return false;
                }
            });
        },
        resetForm(formName) {
            this.$refs[formName].resetFields();
        },
        handleClose(done) {
            this.$confirm('确认关闭？')
                .then(() => {
                    this.resetForm('ruleForm');
                    this.dialogVisible = false;
                })
                .catch(() => {});
        },
        // 用户名下拉菜单选择事件
        handleCommand(command) {
            if (command == 'loginout') {
                this.$store.dispatch('LogOut').then(() => {
                    location.reload(); // 为了重新实例化vue-router对象 避免bug
                });
            }
            if (command == 'changePwd') {
                this.dialogVisible = true;
            }
        },
        // 侧边栏折叠
        collapseChage() {
            this.collapse = !this.collapse;
            bus.$emit('collapse', this.collapse);
        },
        // 全屏事件
        handleFullScreen() {
            let element = document.documentElement;
            if (this.fullscreen) {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.webkitCancelFullScreen) {
                    document.webkitCancelFullScreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                }
            } else {
                if (element.requestFullscreen) {
                    element.requestFullscreen();
                } else if (element.webkitRequestFullScreen) {
                    element.webkitRequestFullScreen();
                } else if (element.mozRequestFullScreen) {
                    element.mozRequestFullScreen();
                } else if (element.msRequestFullscreen) {
                    // IE11
                    element.msRequestFullscreen();
                }
            }
            this.fullscreen = !this.fullscreen;
        }
    },
    mounted() {
        if (document.body.clientWidth < 1500) {
            this.collapseChage();
        }
    }
};
</script>
<style scoped>
.header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
}
.collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
}
.header .logo {
    float: left;
    width: 400px;
    line-height: 70px;
}
.header-right {
    float: right;
    padding-right: 50px;
}
.header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
}
.btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
}
.btn-bell,
.btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
}
.btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
}
.btn-bell .el-icon-bell {
    color: #fff;
}
.user-name {
    margin-left: 10px;
}
.user-avator {
    margin-left: 20px;
}
.user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.el-dropdown-link {
    color: #fff;
    cursor: pointer;
}
.el-dropdown-menu__item {
    text-align: center;
}
</style>
